On Fri, Dec 31, 2021 at 02:57:50AM -0500, Tal Zussman wrote: > This patch removes an unnecessary comment that had to do with block special > files from `generic_write_checks()`. > > The comment, originally added in Linux v2.4.14.9, was to clarify that we only > set `pos` to the file size when the file was opened with `O_APPEND` if the file > wasn't a block special file. Prior to Linux v2.4, block special files had a > different `write()` function which was unified into a generic `write()` function > in Linux v2.4. This generic `write()` function called `generic_write_checks()`. > For more details, see this earlier conversation: > https://lore.kernel.org/linux-fsdevel/Yc4Czk5A+p5p2Y4W@xxxxxxx/ > > Currently, block special devices have their own `write_iter()` function and no > longer share the same `generic_write_checks()`, therefore rendering the comment > irrelevant. Applied
